A 2.35 L container of H2(g) at 762 mmHg and 24°C is connected to a 3.17 L container of He(g) at 728 mmHg and 24°C. After mixing, what is the total gas pressure, in millimeters of mercury, with the temperature remaining at 24°C?

For the following, determine the type of reaction and then give products.

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.